@cell-x/caniuse-embed-element
Version:
A custom web component that embeds caniuse.com browser compatibility data for a specific feature.
403 lines (402 loc) • 15.5 kB
JavaScript
import { css as P, LitElement as C, html as b } from "lit";
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const U = (i) => (t, e) => {
e !== void 0 ? e.addInitializer((() => {
customElements.define(i, t);
})) : customElements.define(i, t);
};
/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const u = globalThis, g = u.ShadowRoot && (u.ShadyCSS === void 0 || u.ShadyCSS.nativeShadow) && "adoptedStyleSheets" in Document.prototype && "replace" in CSSStyleSheet.prototype, w = Symbol(), _ = /* @__PURE__ */ new WeakMap();
let O = class {
constructor(t, e, s) {
if (this._$cssResult$ = !0, s !== w) throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");
this.cssText = t, this.t = e;
}
get styleSheet() {
let t = this.o;
const e = this.t;
if (g && t === void 0) {
const s = e !== void 0 && e.length === 1;
s && (t = _.get(e)), t === void 0 && ((this.o = t = new CSSStyleSheet()).replaceSync(this.cssText), s && _.set(e, t));
}
return t;
}
toString() {
return this.cssText;
}
};
const A = (i) => new O(typeof i == "string" ? i : i + "", void 0, w), M = (i, t) => {
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else for (const e of t) {
const s = document.createElement("style"), r = u.litNonce;
r !== void 0 && s.setAttribute("nonce", r), s.textContent = e.cssText, i.appendChild(s);
}
}, E = g ? (i) => i : (i) => i instanceof CSSStyleSheet ? ((t) => {
let e = "";
for (const s of t.cssRules) e += s.cssText;
return A(e);
})(i) : i;
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const { is: L, defineProperty: x, getOwnPropertyDescriptor: R, getOwnPropertyNames: j, getOwnPropertySymbols: z, getPrototypeOf: k } = Object, m = globalThis, S = m.trustedTypes, D = S ? S.emptyScript : "", T = m.reactiveElementPolyfillSupport, p = (i, t) => i, f = { toAttribute(i, t) {
switch (t) {
case Boolean:
i = i ? D : null;
break;
case Object:
case Array:
i = i == null ? i : JSON.stringify(i);
}
return i;
}, fromAttribute(i, t) {
let e = i;
switch (t) {
case Boolean:
e = i !== null;
break;
case Number:
e = i === null ? null : Number(i);
break;
case Object:
case Array:
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e = JSON.parse(i);
} catch {
e = null;
}
}
return e;
} }, $ = (i, t) => !L(i, t), v = { attribute: !0, type: String, converter: f, reflect: !1, useDefault: !1, hasChanged: $ };
Symbol.metadata ??= Symbol("metadata"), m.litPropertyMetadata ??= /* @__PURE__ */ new WeakMap();
class d extends HTMLElement {
static addInitializer(t) {
this._$Ei(), (this.l ??= []).push(t);
}
static get observedAttributes() {
return this.finalize(), this._$Eh && [...this._$Eh.keys()];
}
static createProperty(t, e = v) {
if (e.state && (e.attribute = !1), this._$Ei(), this.prototype.hasOwnProperty(t) && ((e = Object.create(e)).wrapped = !0), this.elementProperties.set(t, e), !e.noAccessor) {
const s = Symbol(), r = this.getPropertyDescriptor(t, s, e);
r !== void 0 && x(this.prototype, t, r);
}
}
static getPropertyDescriptor(t, e, s) {
const { get: r, set: o } = R(this.prototype, t) ?? { get() {
return this[e];
}, set(a) {
this[e] = a;
} };
return { get: r, set(a) {
const n = r?.call(this);
o?.call(this, a), this.requestUpdate(t, n, s);
}, configurable: !0, enumerable: !0 };
}
static getPropertyOptions(t) {
return this.elementProperties.get(t) ?? v;
}
static _$Ei() {
if (this.hasOwnProperty(p("elementProperties"))) return;
const t = k(this);
t.finalize(), t.l !== void 0 && (this.l = [...t.l]), this.elementProperties = new Map(t.elementProperties);
}
static finalize() {
if (this.hasOwnProperty(p("finalized"))) return;
if (this.finalized = !0, this._$Ei(), this.hasOwnProperty(p("properties"))) {
const e = this.properties, s = [...j(e), ...z(e)];
for (const r of s) this.createProperty(r, e[r]);
}
const t = this[Symbol.metadata];
if (t !== null) {
const e = litPropertyMetadata.get(t);
if (e !== void 0) for (const [s, r] of e) this.elementProperties.set(s, r);
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this._$Eh = /* @__PURE__ */ new Map();
for (const [e, s] of this.elementProperties) {
const r = this._$Eu(e, s);
r !== void 0 && this._$Eh.set(r, e);
}
this.elementStyles = this.finalizeStyles(this.styles);
}
static finalizeStyles(t) {
const e = [];
if (Array.isArray(t)) {
const s = new Set(t.flat(1 / 0).reverse());
for (const r of s) e.unshift(E(r));
} else t !== void 0 && e.push(E(t));
return e;
}
static _$Eu(t, e) {
const s = e.attribute;
return s === !1 ? void 0 : typeof s == "string" ? s : typeof t == "string" ? t.toLowerCase() : void 0;
}
constructor() {
super(), this._$Ep = void 0, this.isUpdatePending = !1, this.hasUpdated = !1, this._$Em = null, this._$Ev();
}
_$Ev() {
this._$ES = new Promise(((t) => this.enableUpdating = t)), this._$AL = /* @__PURE__ */ new Map(), this._$E_(), this.requestUpdate(), this.constructor.l?.forEach(((t) => t(this)));
}
addController(t) {
(this._$EO ??= /* @__PURE__ */ new Set()).add(t), this.renderRoot !== void 0 && this.isConnected && t.hostConnected?.();
}
removeController(t) {
this._$EO?.delete(t);
}
_$E_() {
const t = /* @__PURE__ */ new Map(), e = this.constructor.elementProperties;
for (const s of e.keys()) this.hasOwnProperty(s) && (t.set(s, this[s]), delete this[s]);
t.size > 0 && (this._$Ep = t);
}
createRenderRoot() {
const t = this.shadowRoot ?? this.attachShadow(this.constructor.shadowRootOptions);
return M(t, this.constructor.elementStyles), t;
}
connectedCallback() {
this.renderRoot ??= this.createRenderRoot(), this.enableUpdating(!0), this._$EO?.forEach(((t) => t.hostConnected?.()));
}
enableUpdating(t) {
}
disconnectedCallback() {
this._$EO?.forEach(((t) => t.hostDisconnected?.()));
}
attributeChangedCallback(t, e, s) {
this._$AK(t, s);
}
_$ET(t, e) {
const s = this.constructor.elementProperties.get(t), r = this.constructor._$Eu(t, s);
if (r !== void 0 && s.reflect === !0) {
const o = (s.converter?.toAttribute !== void 0 ? s.converter : f).toAttribute(e, s.type);
this._$Em = t, o == null ? this.removeAttribute(r) : this.setAttribute(r, o), this._$Em = null;
}
}
_$AK(t, e) {
const s = this.constructor, r = s._$Eh.get(t);
if (r !== void 0 && this._$Em !== r) {
const o = s.getPropertyOptions(r), a = typeof o.converter == "function" ? { fromAttribute: o.converter } : o.converter?.fromAttribute !== void 0 ? o.converter : f;
this._$Em = r;
const n = a.fromAttribute(e, o.type);
this[r] = n ?? this._$Ej?.get(r) ?? n, this._$Em = null;
}
}
requestUpdate(t, e, s) {
if (t !== void 0) {
const r = this.constructor, o = this[t];
if (s ??= r.getPropertyOptions(t), !((s.hasChanged ?? $)(o, e) || s.useDefault && s.reflect && o === this._$Ej?.get(t) && !this.hasAttribute(r._$Eu(t, s)))) return;
this.C(t, e, s);
}
this.isUpdatePending === !1 && (this._$ES = this._$EP());
}
C(t, e, { useDefault: s, reflect: r, wrapped: o }, a) {
s && !(this._$Ej ??= /* @__PURE__ */ new Map()).has(t) && (this._$Ej.set(t, a ?? e ?? this[t]), o !== !0 || a !== void 0) || (this._$AL.has(t) || (this.hasUpdated || s || (e = void 0), this._$AL.set(t, e)), r === !0 && this._$Em !== t && (this._$Eq ??= /* @__PURE__ */ new Set()).add(t));
}
async _$EP() {
this.isUpdatePending = !0;
try {
await this._$ES;
} catch (e) {
Promise.reject(e);
}
const t = this.scheduleUpdate();
return t != null && await t, !this.isUpdatePending;
}
scheduleUpdate() {
return this.performUpdate();
}
performUpdate() {
if (!this.isUpdatePending) return;
if (!this.hasUpdated) {
if (this.renderRoot ??= this.createRenderRoot(), this._$Ep) {
for (const [r, o] of this._$Ep) this[r] = o;
this._$Ep = void 0;
}
const s = this.constructor.elementProperties;
if (s.size > 0) for (const [r, o] of s) {
const { wrapped: a } = o, n = this[r];
a !== !0 || this._$AL.has(r) || n === void 0 || this.C(r, void 0, o, n);
}
}
let t = !1;
const e = this._$AL;
try {
t = this.shouldUpdate(e), t ? (this.willUpdate(e), this._$EO?.forEach(((s) => s.hostUpdate?.())), this.update(e)) : this._$EM();
} catch (s) {
throw t = !1, this._$EM(), s;
}
t && this._$AE(e);
}
willUpdate(t) {
}
_$AE(t) {
this._$EO?.forEach(((e) => e.hostUpdated?.())), this.hasUpdated || (this.hasUpdated = !0, this.firstUpdated(t)), this.updated(t);
}
_$EM() {
this._$AL = /* @__PURE__ */ new Map(), this.isUpdatePending = !1;
}
get updateComplete() {
return this.getUpdateComplete();
}
getUpdateComplete() {
return this._$ES;
}
shouldUpdate(t) {
return !0;
}
update(t) {
this._$Eq &&= this._$Eq.forEach(((e) => this._$ET(e, this[e]))), this._$EM();
}
updated(t) {
}
firstUpdated(t) {
}
}
d.elementStyles = [], d.shadowRootOptions = { mode: "open" }, d[p("elementProperties")] = /* @__PURE__ */ new Map(), d[p("finalized")] = /* @__PURE__ */ new Map(), T?.({ ReactiveElement: d }), (m.reactiveElementVersions ??= []).push("2.1.1");
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const q = { attribute: !0, type: String, converter: f, reflect: !1, hasChanged: $ }, N = (i = q, t, e) => {
const { kind: s, metadata: r } = e;
let o = globalThis.litPropertyMetadata.get(r);
if (o === void 0 && globalThis.litPropertyMetadata.set(r, o = /* @__PURE__ */ new Map()), s === "setter" && ((i = Object.create(i)).wrapped = !0), o.set(e.name, i), s === "accessor") {
const { name: a } = e;
return { set(n) {
const y = t.get.call(this);
t.set.call(this, n), this.requestUpdate(a, y, i);
}, init(n) {
return n !== void 0 && this.C(a, void 0, i, n), n;
} };
}
if (s === "setter") {
const { name: a } = e;
return function(n) {
const y = this[a];
t.call(this, n), this.requestUpdate(a, y, i);
};
}
throw Error("Unsupported decorator location: " + s);
};
function l(i) {
return (t, e) => typeof e == "object" ? N(i, t, e) : ((s, r, o) => {
const a = r.hasOwnProperty(o);
return r.constructor.createProperty(o, s), a ? Object.getOwnPropertyDescriptor(r, o) : void 0;
})(i, t, e);
}
var H = Object.defineProperty, I = Object.getOwnPropertyDescriptor, c = (i, t, e, s) => {
for (var r = s > 1 ? void 0 : s ? I(t, e) : t, o = i.length - 1, a; o >= 0; o--)
(a = i[o]) && (r = (s ? a(t, e, r) : a(r)) || r);
return s && r && H(t, e, r), r;
};
let h = class extends C {
constructor() {
super(...arguments), this.feature = "", this.past = 2, this.future = 1, this.origin = "https://caniuse.lruihao.cn", this.theme = "auto", this.loading = "lazy", this.meta = Math.random().toString(36).slice(2), this.loaded = !1, this._iframeHeight = 500, this.handleMessage = (i) => {
const t = this.parseData(i.data), { type: e, payload: s = {} } = t;
e === "ciu_embed" && s.feature === this.feature && s.meta === this.meta && (this._iframeHeight = Math.ceil(s.height), this.requestUpdate());
}, this.handleIframeLoad = () => {
this.loaded = !0;
};
}
/**
* Called when the element is added to the DOM.
* Sets up the message listener for iframe communication.
*/
connectedCallback() {
super.connectedCallback(), this.setupMessageListener();
}
/**
* Called when the element is removed from the DOM.
* Cleans up the message event listener to prevent memory leaks.
*/
disconnectedCallback() {
super.disconnectedCallback(), window.removeEventListener("message", this.handleMessage);
}
/**
* Sets up the global message event listener for iframe communication.
* This allows the component to receive height updates from the embedded iframe.
* @private
*/
setupMessageListener() {
window.addEventListener("message", this.handleMessage);
}
/**
* Safely parses incoming message data, handling both string and object formats.
* @param data - The raw data from a postMessage event
* @returns Parsed data object or empty object if parsing fails
* @private
*/
parseData(i) {
try {
return typeof i == "string" ? JSON.parse(i) : i;
} catch {
return {};
}
}
/**
* Generates the iframe source URL based on current component properties.
* Constructs the URL with feature, meta, theme, and past version parameters.
* @returns The complete URL for the iframe source, or empty string if no feature is specified
* @private
*/
generateSource() {
if (!this.feature)
return "";
const i = [
`meta=${this.meta}`,
`past=${this.past}`,
`future=${this.future}`,
`theme=${this.theme}`
];
return `${this.origin}/${this.feature}#${i.join("&")}`;
}
/**
* Renders the component's HTML template.
* Shows either an iframe with caniuse data or a placeholder message when no feature is specified.
* @returns The HTML template for this component
*/
render() {
const i = this.generateSource();
return i ? b`<iframe class="ciu-embed-iframe" src="${i}" height="${this._iframeHeight}" allow="fullscreen" loading="${this.loading}" ="${this.handleIframeLoad}"></iframe>` : (this.loaded = !0, b`<p class="ciu-embed-empty"><span>Data on support for the features across the major browsers from <a href="https://caniuse.com" target="_blank">caniuse.com</a>.</span><br><span>[ The feature parameter is required! ]</span></p>`);
}
};
h.styles = P`:host{display:block;width:100%;position:relative}:host(:not([loaded]))::after{content:"Loading " attr(feature) " compatibility data";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--text-secondary,#919191);font-size:14px;text-align:center;pointer-events:none;opacity:1;transition:opacity .3s ease;z-index:1;animation:loading-dots 1.5s infinite} loading-dots{0%,20%{content:"Loading " attr(feature) " compatibility data"}40%{content:"Loading " attr(feature) " compatibility data."}60%{content:"Loading " attr(feature) " compatibility data.."}100%,80%{content:"Loading " attr(feature) " compatibility data..."}}:host([loaded])::after{opacity:0}.ciu-embed-iframe{display:block;width:100%;border:none;border-radius:0;opacity:0;transition:opacity .3s ease}:host([loaded]) .ciu-embed-iframe{opacity:1}.ciu-embed-empty{color:var(--text-secondary,#919191);text-align:center;font-size:12px}.ciu-embed-empty a{color:inherit;text-decoration:none}.ciu-embed-empty a:hover{text-decoration:underline}`;
c([
l()
], h.prototype, "feature", 2);
c([
l({ type: Number })
], h.prototype, "past", 2);
c([
l({ type: Number })
], h.prototype, "future", 2);
c([
l()
], h.prototype, "origin", 2);
c([
l({ type: String })
], h.prototype, "theme", 2);
c([
l()
], h.prototype, "loading", 2);
c([
l()
], h.prototype, "meta", 2);
c([
l({ type: Boolean, reflect: !0 })
], h.prototype, "loaded", 2);
h = c([
U("caniuse-embed")
], h);
export {
h as CaniuseEmbedElement
};